EDIT: All of the second tier bronzes caregiving out the gold, they just aren't giving the quest complete toast that the first tier bronzes were. All of the third tier bronzes aren't giving the quest completed toastie too.

Avatar, have you met the Witch in that profile yet? Her quest has been changed so that the frost roots are now spawned topside. I noticed that both of those dungeons are eastern ones, so that may be the problem.

@Nurator: I think it is supposed to take all of those classes. It's just completing too fast.

Something's screwed up with the Beginner Brigade's unlock. I have a near full profile (Lv 3 Guild, Lv 2 other classes, Lv 3 Bank, Lv 2 Bazaar, Lv 1 Blacksmith, Lv 1 Alchemist, all trophies but Naga Tail and Warlock Beard, all dungeons but Vicious and Ick) and it still isn't unlocked.